CN105479770B - The preparation method of carbon fibre composite plate and its with aluminium alloy plate without rivet mould and method - Google Patents
The preparation method of carbon fibre composite plate and its with aluminium alloy plate without rivet mould and method Download PDFInfo
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- CN105479770B CN105479770B CN201511017240.3A CN201511017240A CN105479770B CN 105479770 B CN105479770 B CN 105479770B CN 201511017240 A CN201511017240 A CN 201511017240A CN 105479770 B CN105479770 B CN 105479770B
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- pin
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- fibre composite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/345—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using matched moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/60—Riveting or staking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/64—Joining a non-plastics element to a plastics element, e.g. by force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/721—Fibre-reinforced materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
- B29C66/7422—Aluminium or alloys of aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/545—Perforating, cutting or machining during or after moulding
Abstract
The invention discloses carbon fibre composite plate and aluminium alloy plate without rivet mould, including：Red pin, it can pump in flanging ring through hole；Riveting pin is turned over, it is arranged concentrically with the red pin, the riveting pin that turns over pumps in lower mould through hole；Wherein, the red pin and the riveting pin that turns over are connected to sensor, by data acquisition, obtaining the red pin and the height adjustment factor and speed adjustment factor for turning over riveting pin, control the red pin and the height and the speed of service for turning over riveting pin.The invention also discloses the preparation method of carbon fibre composite plate and carbon fibre composite plate and aluminium alloy plate without rivet method.The present invention, which has, can bear that greater impact power, processing step are simple, cost is low, riveted joint tension, shearing resistance and the features such as superior anti-fatigue performance.
Description
Technical field
The present invention relates to the riveting field of carbon fibre composite plate and aluminium alloy plate, and in particular to carbon fibre composite
The preparation method of plate and its with aluminium alloy plate without rivet mould and method.
Background technology
Nowadays, due to environment, energy problem it is increasingly serious, automotive light weight technology technology is developed rapidly.To realize automobile
Lightweight, the use of the new material of lightweight, high intensity will be a kind of effective method.Carbon fibre composite is a kind of new
Composite, has good mechanical property, has been widely used in Aero-Space.In recent years, carbon fibre composite
There are higher specific stiffness, specific strength, than energy-absorbing, while unit mass is much smaller than gold by feat of relative to traditional metal material
Belong to the advantage of material, the application in automobile industry is also more and more extensive.
To promote the realization of automotive light weight technology, necessarily cause in vehicle body application material, nonmetallic composite institute accounting
Significantly improve again, increased the quantity of the combination machine component of metal and composite.For automobile lightweight, metal material
Better quality Joining Technology between material and nonmetallic materials turns into the crucial skill realized and widely apply composite in the car
Art.Due to not chemically reacted in riveting process, the advantages of anti-fatigue performance and good anti-quiet pulling force characteristic, riveting process
As developing faster light sheet material MACHINERY JOINT in recent years.
The main damage form of carbon fibre composite has：MATRIX CRACKING, fibrous fracture, interface degumming and delamination failure,
The final failure mode of carbon fibre composite is the collective effect of four kinds of failure modes of the above.But it is existing for carbon fiber
Composite panels without rivet interlacement during, brittle break easily occurs for carbon fibre composite, influence riveted joint it is tired
Labor performance and anti-quiet pulling force characteristic, or even directly result in joint fails.
It is existing without rivet technological process：On the one hand because carbon fibre composite has higher intensity, in riveting
During, there is higher requirement to the sleeving and riveting ability of equipment.On the other hand, because carbon fibre composite plasticity is poor, in riveting
In termination process, easily occur brittle break, reduce riveted joint quality, or even effective riveted joint can not be formed.
Therefore, it is necessary to increase new process in the existing technological process without rivet, it is ensured that in aluminium alloy and
The second best in quality riveted joint is obtained in carbon fibre composite riveting process, while being carried by improving original process
The quality of high riveted joint, obtains riveting parts of good performance.
The content of the invention
The present invention has designed and developed the preparation method of carbon fibre composite plate, it is therefore an objective to solve in the prior art, complete
The problem of easily brittle break occurs for plate of material when being punched again into carbon fibre composite plate.
The present invention also designed and developed carbon fibre composite plate and aluminium alloy plate without rivet mould and method, mesh
Be to solve in riveting process in the prior art easily to occur brittle break, reduction riveted joint quality, or even can not be formed effectively
Riveted joint the problem of.
The present invention, which has, can bear that greater impact power, processing step are simple, cost is low, riveted joint tension, shearing resistance and
The features such as anti-fatigue performance is superior.
The technical scheme that the present invention is provided is：
The preparation method of carbon fibre composite plate, including：
Step one：It is die-filling to prepreg cloth progress, in the groove that carbon fibre initial rinse fabric is tiled into mould, and it is described recessed
Tight between the bottom surface of groove and the carbon fibre initial rinse fabric；
Step 2：Gel Treatment is carried out to prepreg cloth, added the mould into the groove of the mould after gel media
Tool is attached together, and is heated to 100 DEG C~110 DEG C；
Step 3：Boosting curing process is carried out to prepreg cloth, the mould after Gel Treatment is pressurizeed, application 5MPa~
10MPa pressure, meanwhile, 120 DEG C~130 DEG C are warming up to, and kept for 2 hours~6 hours；
Step 4：After the boosting curing process for completing prepreg cloth, mould is naturally cooled into room temperature, the carbon is taken out fine
Tie up composite panel；
Wherein, light beam is provided with the groove, arc transition is used between the light beam and the groove floor, it is described
When carbon fibre initial rinse fabric is tiled into the groove, the braiding space of the carbon fibre initial rinse fabric passes through the light beam, obtains institute
Stating carbon fibre composite plate has through hole and is in the via bottoms and the lower surface of the carbon fibre composite plate
Round-corner transition.
Preferably, the mould is divided into upper male mould and lower cavity die, and the carbon fibre initial rinse fabric tiles to the lower cavity die
In groove in, the upper male mould is provided with the boss with the groove match, the groove center set light beam,
The boss of the upper male mould is provided with the unthreaded hole matched with the light beam.
Preferably,
It is ultrasonically treated to prepreg cloth progress in the step one, the prepreg cloth is dipped into acetone soln, ultrasound 20
Take out and dry after~30 minutes, then the prepreg cloth is immersed in methanol solution, ultrasound is taken out after 10~15 minutes dries；
In the step 2, the gel media is epoxy novolac vinylite, before the step 2 is carried out, will
The prepreg cloth is immersed in holding 15~25 minutes in the epoxy novolac vinylite, then by soaked prepreg cloth again
Successively tile into the mold groove, before heating heating is carried out, preheated 10~15 minutes in 30 DEG C~35 DEG C, then rise
4 hours to 100 DEG C~110 DEG C of temperature, and under the conditions of 110 DEG C, kept for 15 minutes, complete the solidifying of epoxy novolac vinylite
Glue；
In the step 3, apply 5MPa pressure to mould, while mould is continued to heat up 20 minutes to 120 DEG C, and
And kept for 2 hours under the conditions of 120 DEG C, complete the solidification of epoxy novolac vinylite；
In the step 4, take out after the carbon fibre composite plate, the carbon fibre composite plate is placed in very
It is that 0.1~1Pa, temperature are under conditions of 60 DEG C~80 DEG C in vacuum in empty drying box, it is natural after being kept for 15~25 minutes
Room temperature is cooled to, the carbon fibre composite plate is taken out.
Carbon fibre composite plate and aluminium alloy plate without rivet mould, use described carbon fibre composite
Plate, including：
Red pin, it can pump in flanging ring through hole；
Riveting pin is turned over, it is arranged concentrically with the red pin, the riveting pin that turns over pumps in lower mould through hole；
The aluminium alloy plate and the carbon fibre composite plate are placed concentrically on the lower mould, and with the upper punching
Pin and the riveting pin that turns over are arranged concentrically, the red pin and it is described turn over riveting pin acted in motion process the aluminium alloy plate and
The through hole of the carbon fibre composite plate, and then formed without rivet part；
Wherein, the red pin and the riveting pin that turns over are connected to sensor, by gathering the red pin and described
The height and speed of riveting pin are turned over, the red pin and the operation height and the speed of service for turning over riveting pin is controlled.
Preferably, the sensor includes temperature sensor, velocity sensor and position sensor.
Preferably, the red pin is cylindric, and its top is cone；The riveting pin that turns over is divided into syringe needle and needle body,
The syringe needle is cone, and its top uses spherosome transition, and the syringe needle uses circular arc camber transition with the needle body.
Carbon fibre composite plate and aluminium alloy plate without rivet method, including：
Step one：The carbon fibre composite plate with a through hole is prepared, one is gone out on aluminium alloy panels
Through hole；
Step 2：Described aluminium alloy plate and carbon fibre composite plate are placed on the cavity plate of mould；Wherein, institute
Aluminium alloy plate is stated upper, the carbon fibre composite plate makes two plate through holes place with one heart under, driving blank holder is moved down
Extremely two boards part is compressed；
Step 3：Red pin is moved down and acts on the aluminium alloy plate through hole, the red pin effect closes the aluminium
Golden plate through hole deforms to form the thin-wall circular tubular that radius is only smaller than the carbon fiber composite board through hole radius, until red pin is arrived
Up to lower dead center, backhaul is moved in the red pin pressure release upwards, is ready for riveting next time；
Step 4：Riveting pin will be turned over to move up, the aluminium alloy plate through hole acted on after deformation extrudes the aluminium and closed
Golden plate, turns up to form riveted joint in the end for turning over the aluminium alloy plate through hole under riveting pin is extruded around, described to turn over riveting
Pin moves downward backhaul, is ready for riveting next time；
Wherein, before the step 3, to red pin and turn over the drawing velocity of riveting pin and rush stop and be highly based on
The control of BP neural network, its control method comprises the following steps：
Step A, according to the sampling period, pass through sensor measuring environment temperature T0, ambient humidity RH, red pin temperature Ta, turn over
Riveting pin temperature Tb；
Step B, successively by sensor measuring environment temperature T0, ambient humidity RH, red pin temperature Ta, turn over riveting pin temperature Tb
Standardized, determine input layer vector x={ x of three layers of BP neural network1,x2,x3,x4}；Wherein, x1For environment temperature system
Number, x2For ambient humidity coefficient, x3For red pin temperature coefficient, x4To turn over riveting pin temperature coefficient；
Step C, the input layer DUAL PROBLEMS OF VECTOR MAPPING are to intermediate layer, the intermediate layer vector y={ y1,y2,…,ym}；During m is
Interbed node number；
Step D, obtain output layer vector z={ z1,z2,z3,z4}；Wherein, z1For red pin impact velocity adjustment factor, z2
To turn over riveting pin riveting speed adjustment factor, z3For red pin lower dead center height adjustment factor, z4Highly adjusted to turn over riveting pin top dead centre
Coefficient；
Step E, control red pin impact velocity, turn over riveting pin riveting speed, red pin lower dead center height, turn over riveting pin top dead centre
Highly, make
Wherein,Respectively ith sample cycle output layer vector parameter, Va_max、Vb_max、Ha_max、Hb_max
Respectively the maximum impact speed of red pin setting, the maximum riveting speed for turning over the setting of riveting pin, red pin setting it is most low only
Point height, the highest top dead centre height for turning over the setting of riveting pin, Va(i+1),Vb(i+1),Ha(i+1),Hb(i+1)Respectively i+1 sampling is all
During the phase red pin setting impact velocity, turn over riveting pin setting riveting speed, red pin setting lower dead center height, turn over riveting pin setting on only
Point height.
Preferably, in the step B, by environment temperature T0, ambient humidity RH, red pin temperature Ta, turn over riveting pin temperature Tb
Carrying out normalization formulae is：
Wherein, xjFor the parameter in input layer vector, XjRespectively measurement parameter T0、RH、Ta、Tb, j=1,2,3,4；Xjmax
And XjminMaximum and minimum value in respectively corresponding measurement parameter.
Preferably, in the step C, the middle layer node number m is met：Wherein n is
Input layer number, p is output layer node number.
Preferably, in the step C, initial operating state, red pin impact velocity, turn over riveting pin riveting speed, upper punching
Pin lower dead center height, turn over riveting pin top dead centre and highly meet empirical value：
Va0=0.7Va_max
Vb0=0.7Vb_max
Ha0=0.7Ha_max
Hb0=0.7Hb_max
Wherein, T00For original ambient temperature, RH0For initial environment humidity, Ta0For initial red pin temperature, Tb0To be initial
Turn over riveting pin temperature；Va_maxThe maximum impact speed set for red pin, Vb_maxTurn over the maximum riveting speed of riveting pin setting, Ha_max
The minimum lower dead center height of red pin setting, Ha_maxTurn over the highest top dead centre height of riveting pin setting.
The present invention is had the advantage that compared with prior art：
1. aluminium alloy plate of the present invention is with applying the aluminium with through hole in the clinching method of carbon fibre composite plate
Alloy plate and carbon fiber composite board part carry out no rivet, and to solve riveting equipment in riveting process need to provide larger
Impulsive force makes the problem of two plates occur desired deflection and obtain the riveted joint of good mechanical properties；
2. aluminium alloy plate of the present invention is with using the carbon with through hole in the clinching method of carbon fibre composite plate
Fibrous composite plate, the plate is directly made with through hole, be not required in carbon fibre composite plate in manufacturing process
It is punched out processing technology.Not only simplify processing step, save cost, while it also avoid carbon fibre composite plate in punching
Occurs brittle break during hole, destruction material good mechanical property in itself；
3. aluminium alloy plate of the present invention is with using the carbon with through hole in the clinching method of carbon fibre composite plate
Fibrous composite plate, carbon fibre composite plate need not deform in riveting process, it is therefore prevented that carbon fiber composite
The material damage form such as MATRIX CRACKING and fibrous fracture occurs for flitch, it is ensured that the mechanical property of riveted joint；
4. aluminium alloy plate of the present invention in the clinching method of carbon fibre composite plate with employing the work for rushing hole flanging
Skill, the technique enables aluminum alloy to plate and forms the joint that turns up in carbon fibre composite plate through hole, improve riveted joint tension,
Shearing resistance and anti-fatigue performance；
5th, the present invention by the control method based on BP neural network, make red pin impact velocity, turn over riveting pin riveting speed,
Red pin lower dead center height and turn over riveting pin top dead centre and highly regulated and controled, optimal running status is reached, so as to improve fortune
Line efficiency.
Brief description of the drawings
Fig. 1 is the flow chart of carbon fibre composite die press technology for forming；
Fig. 2 is by the full sectional view of the present invention for preparing the carbon fibre composite plate with through hole using mould；
Fig. 3 prepares the carbon fibre composite plate with through hole using convex mode structure in mould by of the present invention
Axonometric projection view；
Fig. 4 prepares the carbon fibre composite plate with through hole using recessed mode structure in mould by of the present invention
Axonometric projection view；
Fig. 5 between aluminium alloy plate of the present invention and carbon fibre composite plate without using in rivet method
Without rivet device structure composition schematic diagram；
Fig. 6 between aluminium alloy plate of the present invention and carbon fibre composite plate without using in rivet method
The aluminium alloy plate full sectional view with through hole；
Fig. 7 between aluminium alloy plate of the present invention and carbon fibre composite plate without using in rivet method
The carbon fibre composite plate full sectional view with through hole；
Fig. 8 between aluminium alloy plate of the present invention and carbon fibre composite plate without using in rivet method
The process that red pin moves to lower dead center in riveting process without rivet equipment；
Fig. 9 between aluminium alloy plate of the present invention and carbon fibre composite plate without using in rivet method
Riveting needle movement is turned in riveting process to the process of top dead centre without rivet equipment；
Figure 10 is the stream without rivet method between aluminium alloy plate of the present invention and carbon fibre composite plate
Cheng Tu.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
As shown in figures 1-4, mould used in the carbon fibre composite plate with through hole that the present invention is provided is as follows：
Such as Fig. 1, described carbon fibre composite mould pressing process flow has die-filling prepreg cloth, prepreg cloth gel, matched moulds pressurization, heating solid
Change, cooling is stripped, trim test specimen and check bag.The described mould for preparing is collectively constituted by upper male mould 110 and lower cavity die 120, mould
Lamps structure is simple, is easy to prepare the carbon fibre composite plate with through hole.
Such as Fig. 2 and Fig. 3, described upper male mould 110 is cuboid formula structural member, and face exists on the basis of the lower surface of cuboid
Center sets one long and wide relatively small cuboid boss, and a cylinder and circular cone are provided with the center of boss
Body combines unthreaded hole, and the face on the basis of the bottom surface of cuboid boss is cylinder unthreaded hole close to the unthreaded hole of reference plane, away from reference plane
Unthreaded hole be bullet unthreaded hole, smooth arc transition is used between cylinder unthreaded hole and bullet unthreaded hole, bellmouth cone tip part adopts
With arc transition, arc transition is used between cylinder unthreaded hole and cuboid boss bottom surface.
Upper male mould 110 uses aluminum alloy materials in embodiment, 110 base cuboid of upper male mould a length of 300mm, a width of
180mm, a height of 30mm.A length of 200mm of cuboid boss, a width of 80mm, a height of 25mm, cuboid boss side surfaces respectively with bottom
Each side of seat cuboid is parallel, and distance is 50mm between every group of parallel plane.Unthreaded hole structure in upper male mould 110 includes a circle
Cylinder unthreaded hole and a cone unthreaded hole, cylinder unthreaded hole bottom surface circular diameter are 8mm, and depth is 10mm, cone unthreaded hole bottom surface circular cone
Face circular diameter is 8mm, and the depth of cone unthreaded hole is 10mm, and cone unthreaded hole cone tip part is the sphere that radius is 1mm, cone light
Hole uses radius for 5mm arc surface transition with cylinder unthreaded hole junction, between cylinder unthreaded hole and cuboid boss bottom surface
Radius is used for 1.5mm round-corner transition.
Such as Fig. 2 and Fig. 4, described lower cavity die 120 is cuboid formula structural member, and face is on the basis of cuboid upper surface
One long and wide relatively small cuboid groove is set at the heart, a cylinder and cone are provided with the center of groove
Light beam is combined, the face on the basis of the bottom surface of cuboid boss is cylinder light beam close to the light beam of reference plane, away from reference plane
Light beam is cone light beam, and smooth arc transition is used between cylinder light beam and cone light beam, and taper light beam cone tip part is adopted
With arc transition, arc transition is used between cylinder light beam and cuboid groove floor.In cuboid groove length and cross direction
Central axis and recess sidewall intersection 4 semi-circular through hole are set.
Lower cavity die 120 uses aluminum alloy materials in embodiment, 120 base cuboid of lower cavity die a length of 300mm, a width of
180mm, a height of 30mm.A length of 200mm of cuboid groove, a width of 80mm, depth is 15mm, cuboid groove side respectively with bottom
Each side of seat cuboid is parallel, and distance is 50mm between every group of parallel plane.Light beam geometrical shapes in lower cavity die 120
Consistent with unthreaded hole structure in upper male mould 110 with size, cylinder light beam bottom surface circular diameter is 8mm, a height of 10mm, cone light beam
The a diameter of 8mm of bottom surface circular conical surface, a height of 10mm of cone light beam, cone light beam cone tip part are the sphere that radius is 1mm, circle
Cone light beam uses radius for 5mm arc surface transition with cylinder light beam junction, cylinder light beam and cuboid groove-bottom
Radius is used between face for 1.5mm round-corner transition.The central axis of cuboid groove length and cross direction intersects with recess sidewall
Place sets 4 radiuses to be 5mm, and depth is 15mm semi-circular through hole.
By using mould, such as Fig. 1~4 used in the carbon fibre composite plate provided by the present invention with through hole
It is shown, present invention also offers method used in carbon fibre composite plate of the preparation with through hole, including：
The preparation of carbon fiber composite board is realized on the basis of designed mould, designed mould can prepare band
There is the carbon fibre composite plate of through hole.
The preparation process of carbon fibre composite plate with through hole：
1. cutting out carbon fibre composite prepreg cloth after carbon cloth preimpregnation process is completed, prepreg cloth tiling is put
Enter to make in the groove in lower cavity die 120, tiling process the braiding hole of the composite material presoaked cloth of weaving carbon fiber through recessed
Light beam in mould 120, and ensure that carbon fibre composite prepreg cloth is all paved in groove, the bottom surface of groove and carbon fiber
There is no space between composite material presoaked cloth；
2. together with upper male mould 110 is attached together with lower cavity die 120, it is total to the matched moulds that upper male mould 110 and lower cavity die 120 are constituted
Prepreg cloth gel is carried out with heating.By taking epoxy novolac vinylite as an example, the temperature of matched moulds is increased to 100 DEG C~110 DEG C,
Complete the gel process of resin；
3. upper male mould 110 and lower cavity die 120 are applied necessarily in the case where upper male mould 110 and lower cavity die 120 attach together state
Pressure, by taking epoxy novolac vinylite as an example, improves the temperature of device after attaching together to 120 DEG C~130 DEG C while pressurization
And kept for a period of time, complete the solidification of resin.
4. reduction upper male mould 110 attaches together rear unit temp, separation upper male mould 110 and lower cavity die 120 with lower cavity die 120, take
Go out carbon fibre composite test specimen, plate is trimmed, obtain carrying through hole and be in plate lower surface in via bottoms
The carbon fibre composite plate 160 of round-corner transition.
It is ultrasonically treated to prepreg cloth progress in another embodiment, prepreg cloth is dipped into acetone soln, ultrasound 20
Take out and dry after~30 minutes, then the prepreg cloth is immersed in methanol solution, ultrasound is taken out after 10~15 minutes dries, and stays
Make standby；Gel media is epoxy novolac vinylite, before the groove that prepreg cloth tiling is put into lower cavity die 120,
First prepreg cloth is immersed in epoxy novolac vinylite and is kept for 15~25 minutes, then by soaked prepreg cloth again successively
Tiling is into the mold groove, before heating heating is carried out, and is preheated 10~15 minutes in 30 DEG C~35 DEG C, then heat up 4
Hour, to 100 DEG C~110 DEG C, and under the conditions of 110 DEG C, is kept for 15 minutes, completes the gel of epoxy novolac vinylite；
Apply 5MPa pressure to mould, while mould is continued to heat up 20 minutes to 120 DEG C, and holding 2 is small under the conditions of 120 DEG C
When, complete the solidification of epoxy novolac vinylite；After carbon fibre composite plate is taken out, then by carbon fibre composite plate
It is placed in vacuum drying chamber, is that 0.1~1Pa, temperature are under conditions of 60 DEG C~80 DEG C, to be kept for 15~25 minutes in vacuum
Afterwards, room temperature is naturally cooled to, the carbon fibre composite plate is taken out, can now effectively reduce carbon fibre composite plate
Density, so as to carry out loss of weight to material.
As shown in Fig. 5~10, present invention also offers described aluminium alloy plate with carbon fibre composite plate without rivet
Clinching method, including：
Such as Fig. 5, described aluminium alloy plate with the clinching method of carbon fibre composite plate without rivet riveting device by
Red pin 130, blank holder 140 turns over riveting pin 170, and lower mould 180 is collectively constituted.
It is cylindric at the described needle body of red pin 130, is cone at syringe needle.The center of the structure of blank holder 140 is set
The through hole of an installation red pin 130 is equipped with, in riveting process, red pin 130 moves up and down in the through hole of blank holder 140.
The described body sections of riveting pin 170 that turn over are collectively constituted by two sections of different cylinders of bottom surface radius, and needle portion is
Cone, the top of cone uses spherosome transition, and syringe needle uses in circular arc camber transition, needle structure two with needle body part
Circular arc camber transition is used between the cylinder of different bottom surface radiuses.The center of the lower structure of mould 180 is provided with an installation and turned over
The through hole of riveting pin 170, in riveting process, turns over riveting pin 170 and is moved up and down in the lower through hole of mould 180.Red pin 130, blank holder
Through hole in 140 structures, the through hole turned in riveting pin 170, the structure of lower mould 180 are placed with one heart.
The aluminium applied in such as Fig. 5, Fig. 6 and Fig. 7, described aluminium alloy plate and the clinching method of carbon fibre composite plate is closed
Golden plate 150 has a diameter of 2-4mm through hole in central part.Described carbon fibre composite plate 160 has a diameter of in central part
8-10mm through hole, and in via bottoms and the rounded transition of plate lower surface.Through hole, the carbon fiber of aluminium alloy plate 150 are multiple
The through hole of condensation material plate 160 and red pin 130, the through hole in the structure of blank holder 140, turn in riveting pin 170, the structure of lower mould 180
Through hole is placed with one heart.
The step of clinching method of described aluminium alloy plate and carbon fibre composite plate, is as follows：
1. such as Fig. 5, by the aluminium alloy plate 150 with through hole and the carbon fibre composite plate being prepared into through hole
160 are placed concentrically on lower mould 180, and aluminium alloy plate 150 is in upper carbon fibre composite plate 160 under, and driving blank holder 140 is pressed
Tight aluminium alloy plate 150 and carbon fiber composite board 160.
2. such as Fig. 8, described aluminium alloy plate and red pin 130 in the riveting process of carbon fibre composite plate are along flanging
Through hole in circle 140 is moved downwardly to lower dead center, and red pin 130 acts on the through hole of aluminium alloy plate 150 in motion process,
Applying power enables aluminum alloy to plate 150 from the through hole of aluminium alloy plate 150 to carbon fibre composite plate 160 in aluminium alloy plate 150 simultaneously
Through hole direction is extruded, and aluminium alloy plate 150 forms through the through hole of carbon fibre composite plate 160 in through hole and wraps up red pin
The thin-wall circular tube structure of 130 needle bodies.Reach that backhaul is moved in the pressure release of red pin 130 after bottom dead center upwards, be ready for riveting next time
Connect.
3. such as Fig. 9, described aluminium alloy plate in the riveting process of carbon fibre composite plate with turning over riveting pin 170 along lower mould
Through hole in 180 moves upward to top dead centre, and the aluminium that riveting pin 170 is acted on after being deformed described in step 2 is turned in motion process
The thin-wall tubular structure of alloy sheets 150, makes thin-wall tubular structure bottom of different sizes along 170 needle body part of riveting pin, two bottom surfaces are turned over
Cylinder between fillet surface valgus deformity, formed and wrap the riveted joint of the through hole of carbon fibre composite plate 160.Reach
After top dead center turns over the pressure release of riveting pin 170 and moves downward backhaul, is ready for riveting next time.
4. riveting process completes to unload the riveting parts of aluminium alloy plate 150 and carbon fibre composite plate 160, carry out next time
Preparatory process without rivet.
Complete plus when aluminium alloy plate 150 and carbon fiber composite board 160 are fixed on mould, to red pin 130 and turning over
The drawing velocity of riveting pin 170 and rush stop and highly carry out the control based on BP neural network, its control method comprises the following steps：
Step one：Set up BP neural network model；
The BP network architecture that the present invention is used is by up of three layers, and first layer is input layer, common n node, corresponds to
N detection signal of equipment working state is represented, these signal parameters are provided by data preprocessing module.The second layer is hidden layer,
Common m node, is determined in an adaptive way by the training process of network.Third layer is output layer, common p node, by system
Be actually needed output in response to determining that.
The mathematical modeling of the network is：
Input layer vector：X=(x1,x2,…,xn)T
Intermediate layer vector：Y=(y1,y2,…,ym)T
Output layer vector：Z=(z1,z2,…,zp)T
In the present invention, input layer number is n=4, and output layer nodes are p=4.Hidden layer nodes m is estimated by following formula
Draw：
According to the sampling period, 4 parameters of input signal are, x1For environment temperature coefficient, x2For ambient humidity coefficient, x3
For red pin temperature coefficient, x4To turn over riveting pin temperature coefficient；
Because the data that sensor is obtained belong to different physical quantitys, its dimension is different.Therefore, in data input god
Through before network, it is necessary to which data requirement to be turned to the number between 0-1.
Specifically, the environment temperature T measured for temperature in use sensor0, after being standardized, obtain environment temperature
Coefficient x1：
Wherein, T0_minAnd T0_maxThe respectively minimum environment temperature and maximum environmental temperature of environment temperature.
Likewise, being standardized using the ambient humidity RH of humidity sensor measurement by following formula, ambient humidity is obtained
Coefficient x2：
Wherein, RHminAnd RHmaxThe respectively minimum ambient humidity of ambient humidity and maximum ambient humidity.
Temperature in use sensor measurement obtains red pin temperature Ta, after being standardized, obtain red pin temperature coefficient x3：
Wherein, Ta_minAnd Ta_maxThe respectively minimum temperature and maximum temperature of red pin.
Temperature in use sensor measurement obtains turning over riveting pin temperature Tb, after being standardized, obtain red pin temperature coefficient x4：
Wherein, Tb_minAnd Tb_maxRespectively turn over the minimum temperature and maximum temperature of riveting pin.
4 parameters of output signal are expressed as：z1For red pin impact velocity adjustment factor, z2To turn over the riveting of riveting pin
Speed adjustment factor, z3For red pin lower dead center height adjustment factor, z4To turn over riveting pin top dead centre height adjustment factor；
Red pin impact velocity adjustment factor z1Red pin impact velocity is expressed as in next sampling period with currently adopting
The ratio between setting maximum speed of red pin impact velocity in the sample cycle, i.e., in the ith sample cycle, the red pin punching collected
Speed is hit for Vai, the red pin impact velocity adjustment factor in ith sample cycle is exported by BP neural networkAfterwards, control the
Red pin impact velocity is V in i+1 sampling perioda(i+1), meet it
Turn over riveting pin riveting speed adjustment factor z2It is expressed as turning over riveting pin riveting speed in next sampling period with currently adopting
The ratio between setting maximum speed of riveting pin riveting speed is turned in the sample cycle, i.e., in the ith sample cycle, what is collected turns over riveting pin riveting
Speed is connect for Vbi, speed adjustment factor is riveted by the riveting pin that turns in BP neural network output ith sample cycleAfterwards, control
Turned in the i+1 sampling period riveting pin riveting speed for Vb(i+1), meet it
Red pin lower dead center height adjustment factor z3Red pin lower dead center height is expressed as in next sampling period with working as
The ratio between setting extreme lower position of red pin lower dead center height in the preceding sampling period, i.e., in the ith sample cycle, what is collected is upper
Red needle lower dead center is highly Hai, the red pin lower dead center height adjustment factor in ith sample cycle is exported by BP neural networkAfterwards, in the control i+1 sampling period red pin lower dead center height for Ha(i+1), meet it
Turn over riveting pin top dead centre height adjustment factor z4It is expressed as turning over riveting pin top dead centre height in next sampling period with working as
The ratio between setting extreme higher position of riveting pin top dead centre height is turned in the preceding sampling period, i.e., in the ith sample cycle, what is collected turns over
Riveting pin top dead centre is highly Hbi, riveting pin top dead centre height adjustment factor is turned over by the BP neural network output ith sample cycleAfterwards, turned in the control i+1 sampling period riveting pin top dead centre height for Hb(i+1), meet it
Step 2：Carry out the training of BP neural network.
Establish after BP neural network nodal analysis method, you can carry out the training of BP neural network.According to the experience number of product
According to the sample for obtaining training, and give the connection weight w between input node i and hidden layer node jij, hidden node j and output
Connection weight w between node layer kjk, hidden node j threshold θj, output node layer k threshold value wij、wjk、θj、θkIt is -1
Random number between to 1.
In the training process, w is constantly correctedijAnd wjkValue, until systematic error be less than or equal to anticipation error when, complete
The training process of neutral net.
As shown in table 1, given the value of each node in one group of training sample and training process.
Each nodal value of the training process of table 1
Step 3：Gathered data operational factor input neutral net is regulated coefficient；
The artificial neural network trained is solidificated among chip, hardware circuit is possessed prediction and intelligent decision function,
So as to form Intelligent hardware.After Intelligent hardware power-up starts, the motor that is connected with red pin and equal with turning over the motor that riveting pin is connected
Bring into operation, red pin impact velocity and turn over riveting pin riveting speed and brought into operation with maximum speed, red pin lower dead center height
Speed and to turn over riveting pin lower dead center be highly maximum displacement, i.e., red pin initial impact speed is Va0=0.7Va_max, at the beginning of turning over riveting pin
The riveting speed that begins is Vb0=0.7Vb_max, red pin lower dead center elemental height is Ha0=0.7Ha_max, turn over riveting pin top dead centre initially high
Spend for Hb0=0.7Hb_max；
Meanwhile, temperature in use sensor and humidity sensor measurement original ambient temperature T00, initial environment humidity RH0, initially
Red pin temperature Ta0, initially turn over riveting pin temperature Tb0, by the way that above-mentioned parameter is standardized, obtain the initial input of BP neural network
VectorInitial output vector is obtained by the computing of BP neural network
Step 4：Red pin impact velocity is controlled, riveting pin riveting speed, red pin lower dead center height is turned over, turns on riveting pin only
Point height；Obtain initial output vectorAfterwards, you can rushed in the regulation and control of speed and height, regulation
Pin impact velocity, turn over riveting pin riveting speed, red pin lower dead center height and turn over riveting pin top dead centre height, make next sampling period
Red pin impact velocity, turn over riveting pin riveting speed, red pin lower dead center height and turn over riveting pin top dead centre and be highly respectively：
Environment temperature T in the ith sample cycle is obtained by sensor0, ambient humidity RH, red pin temperature Ta, turn over riveting
Pin temperature Tb, the input vector in ith sample cycle is obtained by standardizePass through BP nerves
The computing of network obtains the output vector in ith sample cycleThen red pin punching is controlled to adjust
Speed is hit, riveting pin riveting speed, red pin lower dead center height is turned over and turns over riveting pin top dead centre height, when making the i+1 sampling period
Red pin impact velocity, turn over riveting pin riveting speed, red pin lower dead center height and turn over riveting pin top dead centre and be highly respectively：
By above-mentioned setting, red pin is monitored by sensor in real time and the running status of riveting pin is turned over, by using BP god
Through network algorithm, to red pin impact velocity, turn over riveting pin riveting speed, red pin lower dead center height and turn over riveting pin top dead centre height
Regulated and controled, reach optimal running status, so as to improve operational efficiency.
Embodiment
One piece of center is prepared using the preparation method of the carbon fibre composite plate of the present invention with through hole to carry
A diameter of 8mm through holes, via bottoms are with plate lower surface in the round-corner transition that radius is 1.5mm, carbon fibre composite plate
Overall dimensions be 200mm × 80mm × 2mm.The carbon fibre composite plate matrix material of preparation is epoxy novolac vinyl tree
Fat, reinforcement material selection 3k carbon fiber wires.
The aluminium alloy plate and carbon fiber of the present invention for including the carbon fibre composite plate preparation section with through hole
Between composite panel without rivet method the step of it is as follows：
1. take one piece of aluminium alloy plate 150 with a diameter of 3mm through holes；
2. prepare one block of carbon fibre composite plate 160 with a diameter of 8mm through holes.Prepreg cloth is cut out 8 block sizes
For the cuboid of 200mm × 80mm sizes, the carbon fibre initial rinse fabric cut out is tiled to described with through hole in layer
In the groove of the structure of lower cavity die 120 in carbon fibre composite panel assembly, the carbon fiber in tiling process by preimpregnation is compiled
Weave cotton cloth by weaving gap through the light beam in the groove of lower cavity die 120.Upper male mould 110 mutually merges application 5MPa with lower cavity die 120
Pressure, matched moulds is heated up 4 hours, matched moulds temperature is increased to 110 DEG C of gels 15 minutes, epoxy novolac vinylite is completed
Gel.Gel terminate after to matched moulds continue heat up make within 20 minutes temperature reach to 120 DEG C solidify 2 hours, complete epoxy novolac
The solidification of vinylite.Matched moulds temperature, separation upper male mould 110 and lower cavity die 120 are reduced, carbon fibre composite examination is taken out
Part, is trimmed to plate, obtains being applied to carbon fibre composite plate 160 of the riveting with through hole between plate.
3. the aluminium alloy plate 150 with through hole is put with the carbon fibre composite plate 160 being prepared into through hole
Put on lower mould 180, aluminium alloy plate 150 in upper carbon fibre composite plate 160 under, aluminium alloy plate 150, carbon fiber composite
Flitch 160, red pin 130 and the arranged concentric of riveting pin 170 is turned over, driving blank holder 140 compresses aluminium alloy plate 150 and carbon fiber is compound
Plate 160.
4. driving red pin 130 is moved downward along the through hole in blank holder 140, the body sections cylinder bottom of red pin 130
Face radius of circle is 6mm, and red pin 130 acts on the through hole of aluminium alloy plate 150 in motion process, while applying power is closed in aluminium
Golden plate 150, enables aluminum alloy to plate 150 and is extruded from the through hole of aluminium alloy plate 150 to the through hole direction of carbon fibre composite plate 160, aluminium
Alloy sheets 150 form through the through hole of carbon fibre composite plate 160 in through hole and wrap up the thin cylinder of the needle body of red pin 130
Structure, the internal radius of thin cylinder is that 6mm thickness is 1mm.Reach that backhaul is moved in the pressure release of red pin 130 after bottom dead center upwards,
It is ready for riveting next time.
5. driving is turned over riveting pin 170 and moved upwards along the through hole in lower mould 180, riveting pin 170 is turned in motion process and is acted on
The thin-wall tubular structure of aluminium alloy plate 150 after being deformed described in step 140, makes thin-wall tubular structure bottom along turning over riveting
Fillet surface valgus deformity between the cylinder of different sizes of 170 needle body part of pin, two bottom surfaces, formation wraps carbon fiber composite
The riveted joint of the through hole of flitch 160, turns over riveting pin 170 and reaches that after top dead center pressure release moves downward backhaul, be ready for riveting next time
Connect.
6. riveting process completes to unload the riveting parts of aluminium alloy plate 150 and carbon fibre composite plate 160, carry out next time
Preparatory process without rivet.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (8)
1. the preparation method of carbon fibre composite plate, it is characterised in that including：
Step one：It is die-filling to prepreg cloth progress, in the groove that carbon fibre initial rinse fabric is tiled into mould, and the groove
Tight between bottom surface and the carbon fibre initial rinse fabric；
Step 2：Gel Treatment is carried out to prepreg cloth, soaked prepreg cloth is successively tiled into the mold groove again, then
By the twin mould, before heating heating is carried out, preheated 10~15 minutes in 30 DEG C~35 DEG C, then heat up 4 hours extremely
110 DEG C, and under the conditions of 110 DEG C, kept for 15 minutes, complete the gel of epoxy novolac vinylite；
Step 3：Boosting curing process is carried out to prepreg cloth, the mould after Gel Treatment is pressurizeed, applies 5MPa pressure
Power, while continuing to heat up 20 minutes to 120 DEG C to mould, and is kept for 2 hours under the conditions of 120 DEG C；
Step 4：After the boosting curing process for completing prepreg cloth, mould is naturally cooled into room temperature, the carbon fiber is taken out and answers
Condensation material plate；
Wherein, light beam is provided with the groove, arc transition is used between the light beam and the groove floor, the carbon is fine
When dimension prepreg cloth is tiled into the groove, the braiding space of the carbon fibre initial rinse fabric passes through the light beam, obtains the carbon
Fibrous composite plate has through hole and rounded in the via bottoms and the lower surface of the carbon fibre composite plate
Transition；
It is ultrasonically treated to prepreg cloth progress in the step one, the prepreg cloth is dipped into acetone soln, ultrasound 20~30
Take out and dry after minute, then the prepreg cloth is immersed in methanol solution, ultrasound is taken out after 10~15 minutes dries；
In the step 2, the gel media is epoxy novolac vinylite, before the step 2 is carried out, will be described
Prepreg cloth is immersed in the epoxy novolac vinylite and kept for 15~25 minutes；
In the step 4, take out after the carbon fibre composite plate, the carbon fibre composite plate is placed in vacuum and done
It is that 0.1~1Pa, temperature are under conditions of 60 DEG C~80 DEG C in vacuum in dry case, after being kept for 15~25 minutes, natural cooling
To room temperature, the carbon fibre composite plate is taken out.
2. the preparation method of carbon fibre composite plate as claimed in claim 1, it is characterised in that the mould is divided into convex
In mould and lower cavity die, the groove that the carbon fibre initial rinse fabric tiles into the lower cavity die, the upper male mould be provided with it is described
The boss of groove match, light beam is set in the center of the groove, and the boss of the upper male mould is provided with and the light beam
The unthreaded hole matched.
3. carbon fibre composite plate and aluminium alloy plate without rivet mould, it is characterised in that using such as claim 1-2
One of described in carbon fibre composite plate, including：
Red pin, it can pump in flanging ring through hole；
Riveting pin is turned over, it is arranged concentrically with the red pin, the riveting pin that turns over pumps in lower mould through hole；
The aluminium alloy plate and the carbon fibre composite plate are placed concentrically on the lower mould, and with the red pin
And the riveting pin that turns over is arranged concentrically, the red pin and the riveting pin that turns over act on the aluminium alloy plate and institute in motion process
The through hole of carbon fibre composite plate is stated, and then is formed without rivet part；
Wherein, the red pin and the riveting pin that turns over are connected to sensor, by gathering the red pin and described turning over riveting
The height and speed of pin, control the red pin and the operation height and the speed of service for turning over riveting pin.
4. carbon fibre composite plate as claimed in claim 3 and aluminium alloy plate without rivet mould, it is characterised in that
The sensor includes temperature sensor, velocity sensor and position sensor.
5. carbon fibre composite plate as claimed in claim 3 and aluminium alloy plate without rivet mould, it is characterised in that
The red pin is cylindric, and its top is cone；The riveting pin that turns over is divided into syringe needle and needle body, and the syringe needle is cone,
Its top uses spherosome transition, and the syringe needle uses circular arc camber transition with the needle body.
6. carbon fibre composite plate and aluminium alloy plate without rivet method, it is characterised in that usage right require 1-2 it
Carbon fibre composite plate described in one, including：
Step one：The carbon fibre composite plate with a through hole is prepared, the through hole of one is gone out on aluminium alloy plate；
Step 2：Described aluminium alloy plate and carbon fibre composite plate are placed on the cavity plate of mould；Wherein, the aluminium is closed
Golden plate is upper, and the carbon fibre composite plate makes two plate through holes place with one heart under, and driving blank holder is displaced downwardly to two pieces
Plate is compressed；
Step 3：Red pin is moved down and acts on the aluminium alloy plate through hole, the red pin effect makes the aluminium alloy plate
Through hole deforms to form the thin-wall circular tubular that radius is only smaller than the carbon fibre composite plate through hole radius, until red pin is arrived
Up to lower dead center, backhaul is moved in the red pin pressure release upwards, is ready for riveting next time；
Step 4：Riveting pin will be turned over to move up, the aluminium alloy plate through hole acted on after deformation extrudes the aluminium alloy plate,
It is described turn over the extruding of riveting pin under the end of the aluminium alloy plate through hole turn up to form riveted joint around, it is described that to turn over riveting pin downward
Backhaul is moved, is ready for riveting next time；
Wherein, before the step 3, to red pin and turn over the drawing velocity of riveting pin and rush stop highly carry out based on BP god
Through network-based control, its control method comprises the following steps：
Step A, according to the sampling period, pass through sensor measuring environment temperature T0, ambient humidity RH, red pin temperature Ta, turn over riveting pin
Temperature Tb；
Step B, successively by sensor measuring environment temperature T0, ambient humidity RH, red pin temperature Ta, turn over riveting pin temperature TbCarry out
Normalization, determines input layer vector x={ x of three layers of BP neural network1,x2,x3,x4}；Wherein, x1For environment temperature coefficient, x2
For ambient humidity coefficient, x3For red pin temperature coefficient, x4To turn over riveting pin temperature coefficient；
Step C, the input layer DUAL PROBLEMS OF VECTOR MAPPING are to intermediate layer, the intermediate layer vector y={ y1,y2,…,ym}；M is intermediate layer
Node number；
Step D, obtain output layer vector z={ z1,z2,z3,z4}；Wherein, z1For red pin impact velocity adjustment factor, z2To turn over
Riveting pin rivets speed adjustment factor, z3For red pin lower dead center height adjustment factor, z4System is highly adjusted to turn over riveting pin top dead centre
Number；
Step E, control red pin impact velocity, turn over riveting pin riveting speed, red pin lower dead center height, to turn over riveting pin top dead centre high
Degree, makes
Wherein,Respectively ith sample cycle output layer vector parameter, Va_max、Vb_max、Ha_max、Hb_maxRespectively
For the maximum impact speed of red pin setting, turn over the minimum lower dead center height that maximum riveting speed, the red pin of the setting of riveting pin are set
Spend, turn over the highest top dead centre height of riveting pin setting, Va(i+1),Vb(i+1),Ha(i+1),Hb(i+1)Respectively the i+1 sampling period when
Red pin setting impact velocity, turn over riveting pin setting riveting speed, red pin setting lower dead center height, to turn over riveting pin setting top dead centre high
Degree.
7. carbon fibre composite plate as claimed in claim 6 and aluminium alloy plate without rivet method, it is characterised in that
In the step B, by environment temperature T0, ambient humidity RH, red pin temperature Ta, turn over riveting pin temperature TbCarrying out normalization formulae is：
Wherein, xjFor the parameter in input layer vector, XjRespectively measurement parameter T0、RH、Ta、Tb, j=1,2,3,4；XjmaxWith
XjminMaximum and minimum value in respectively corresponding measurement parameter.
8. carbon fibre composite plate as claimed in claim 6 and aluminium alloy plate without rivet method, it is characterised in that
In the step C, initial operating state, red pin impact velocity, turn over riveting pin riveting speed, red pin lower dead center height, turn over riveting
Pin top dead centre highly meets empirical value：
Va0=0.7Va_max
Vb0=0.7Vb_max
Ha0=0.7Ha_max
Hb0=0.7Hb_max
Wherein, Va_maxThe maximum impact speed set for red pin, Vb_maxTurn over the maximum riveting speed of riveting pin setting, Ha_maxOn
The minimum lower dead center height of red needle setting, Ha_maxTurn over the highest top dead centre height of riveting pin setting.
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| CN106671429B (en) * | 2017-03-23 | 2023-05-05 | 吉林大学 | Non-rivet riveting device and method between dissimilar materials based on hot melting principle |
| CN106964741B (en) * | 2017-05-15 | 2018-11-06 | 吉林大学 | A kind of staking clinching method between aluminium alloy plate and carbon fibre composite plate |
| CN108380765B (en) * | 2018-03-09 | 2023-06-06 | 吉林大学 | Rivet-free riveting device and method for carbon fiber composite material and aluminum alloy |
| CN108437480B (en) * | 2018-03-13 | 2019-08-30 | 北京理工大学 | A kind of riveting composite die and the clinching method using riveting composite die |
| CN108501390B (en) * | 2018-04-04 | 2020-02-18 | 吉林大学 | Plastic hot sticking riveting method for glue layer regional curing |
| CN109822926A (en) * | 2019-03-11 | 2019-05-31 | 浙江众泰汽车制造有限公司 | CFRP/ metallic composite connection structure and its processing tool and processing method |
| CN110103484A (en) * | 2019-04-04 | 2019-08-09 | 广州通泽机械有限公司 | A kind of solvent-free composite machine study on microenvironment regulation system, method and device |
| CN109986860B (en) * | 2019-04-10 | 2020-05-05 | 中南大学 | Fiber metal composite laminate and forming die and forming method thereof |
| TWI746339B (en) * | 2021-01-04 | 2021-11-11 | 黃金城 | Punching pliers for stamping and joining |
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| CN102320144B (en) * | 2011-06-30 | 2014-04-30 | 北京航空航天大学 | Manufacture die for carbon fiber composite integrative multipass joint and preparation method thereof |
| CN202621742U (en) * | 2012-05-25 | 2012-12-26 | 吉林大学 | Laser heating rivet-free riveting device |
| CN103496173B (en) * | 2013-09-11 | 2016-06-08 | 重庆大学 | A kind of have pertusate composite laminated plate manufacture method |
| CN103600017B (en) * | 2013-11-25 | 2015-09-02 | 吉林大学 | Between ultra-high strength steel plate or with the self-piercing riveting device of aluminium alloy plate |
| DE102014203757B4 (en) * | 2014-02-28 | 2022-03-31 | Robert Bosch Gmbh | Method for connecting at least two components using the punch riveting method, device for carrying out the method, production facility and use of the method |
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